Starting Out with C++ from Control Structures to Objects (8th Edition)
Starting Out with C++ from Control Structures to Objects (8th Edition)
8th Edition
ISBN: 9780133769395
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 11.11, Problem 11.17CP
Program Plan Intro

Union:

In C++, the union is a user-define data type, which contains different type of elements with different lengths.

  • It uses single memory location to hold more than one variable. It takes the memory of the largest data type.
  • It conserves memory as it stores all the members in the same memory location.
  • Union variable can initialize in main function within the program. Then initialize the union members using the union variable.
  • Union variable can be declared in the type of array and the entire array elements can be accessed through a loop.

 Declaration of union:

The declaration of union is the same as a structure with the only difference that, instead of using a keyword “struct”, the keyword “union” should be used.

Example:

union Score

{

int rollNo;

float marks;

};

The “Score” is the union variable which is defined with the two members:  “rollNo( a int)” and “marks (a float)”. The union variable will take up as much memory as the largest member.

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Chapter 11 Solutions

Starting Out with C++ from Control Structures to Objects (8th Edition)

Ch. 11.10 - Prob. 11.11CPCh. 11.10 - Write a function that uses a Rectangle structure...Ch. 11.10 - Prob. 11.13CPCh. 11.10 - Prob. 11.14CPCh. 11.10 - Prob. 11.15CPCh. 11.11 - Prob. 11.16CPCh. 11.11 - Prob. 11.17CPCh. 11.11 - Prob. 11.18CPCh. 11.11 - Prob. 11.19CPCh. 11.11 - Prob. 11.20CPCh. 11.12 - Look at the following declaration: enum Flower {...Ch. 11.12 - What will the following code display? enum {...Ch. 11.12 - Prob. 11.23CPCh. 11.12 - What will the following code display? enum Letters...Ch. 11.12 - Prob. 11.25CPCh. 11.12 - Prob. 11.26CPCh. 11 - Prob. 1RQECh. 11 - Prob. 2RQECh. 11 - Prob. 3RQECh. 11 - Look at the following structure declaration:...Ch. 11 - Look at the following structure declaration:...Ch. 11 - Look at the following code: struct PartData {...Ch. 11 - Look at the following code: struct Town { string...Ch. 11 - Look at the following code: structure Rectangle {...Ch. 11 - Prob. 9RQECh. 11 - Prob. 10RQECh. 11 - Prob. 11RQECh. 11 - Look at the following declaration: enum Person {...Ch. 11 - Prob. 13RQECh. 11 - The ______ is the name of the structure type.Ch. 11 - The variables declared inside a structure...Ch. 11 - A(n) ________ is required after the closing brace...Ch. 11 - In the definition of a structure variable, the...Ch. 11 - Prob. 18RQECh. 11 - Prob. 19RQECh. 11 - Prob. 20RQECh. 11 - Prob. 21RQECh. 11 - Prob. 22RQECh. 11 - Declare a structure named TempScale, with the...Ch. 11 - Write statements that will store the following...Ch. 11 - Write a function called showReading. It should...Ch. 11 - Write a function called findReading. It should use...Ch. 11 - Write a function called getReading, which returns...Ch. 11 - Prob. 28RQECh. 11 - Prob. 29RQECh. 11 - Prob. 30RQECh. 11 - Prob. 31RQECh. 11 - Prob. 32RQECh. 11 - Prob. 33RQECh. 11 - Look at the following statement: enum Color { RED,...Ch. 11 - A per store sells dogs, cats, birds, and hamsters....Ch. 11 - T F A semicolon is required after the closing...Ch. 11 - T F A structure declaration does not define a...Ch. 11 - T F The contents of a structure variable can be...Ch. 11 - T F Structure variables may not be initialized.Ch. 11 - Prob. 40RQECh. 11 - Prob. 41RQECh. 11 - T F The following expression refers to element 5...Ch. 11 - T F An array of structures may be initialized.Ch. 11 - Prob. 44RQECh. 11 - T F A structure member variable may be passed to a...Ch. 11 - T F An entire structure may not be passed to a...Ch. 11 - T F A function may return a structure.Ch. 11 - T F when a function returns a structure, it is...Ch. 11 - T F The indirection operator has higher precedence...Ch. 11 - Prob. 50RQECh. 11 - Prob. 51RQECh. 11 - Prob. 52RQECh. 11 - Prob. 53RQECh. 11 - Prob. 54RQECh. 11 - Prob. 55RQECh. 11 - Prob. 56RQECh. 11 - Find the Errors Each of the following...Ch. 11 - Prob. 58RQECh. 11 - struct TwoVals { int a, b; }; int main () {...Ch. 11 - #include iostream using namespace std; struct...Ch. 11 - #include iostream #include string using namespace...Ch. 11 - struct FourVals { int a, b, c, d; }; int main () {...Ch. 11 - Prob. 63RQECh. 11 - Prob. 64RQECh. 11 - Prob. 65RQECh. 11 - struct ThreeVals { int a, b, c; }; int main () {...Ch. 11 - Prob. 67RQECh. 11 - Prob. 1PCCh. 11 - Movie Profit Modify the program written for...Ch. 11 - Prob. 3PCCh. 11 - Weather Statistics Write a program that uses a...Ch. 11 - Weather Statistics Modification Modify the program...Ch. 11 - Soccer Scores Write a program that stores the...Ch. 11 - Customer Accounts Write a program that uses a...Ch. 11 - Search Function for Customer Accounts Program Add...Ch. 11 - Speakers Bureau Write a program that keeps track...Ch. 11 - Prob. 10PCCh. 11 - Prob. 11PCCh. 11 - Course Grade Write a program that uses a structure...Ch. 11 - Drink Machine Simulator Write a program that...Ch. 11 - Inventory Bins Write a program that simulates...Ch. 11 - Prob. 15PC
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